Shark nets create false sense of safety and should be phased out, inquiry finds – The Guardian

Upper house committee says nets damage other marine wildlife and recommends replacement of lethal drum lines

Source : Shark nets create false sense of safety and should be phased out, inquiry finds

Publicités

Stress test: New study finds seals are stressed-out by sharks – phys.org

Source : Stress test: New study finds seals are stressed-out by sharks

Scientists track sharks picking DNA fragments from the sea – phys.org

Marine ecologists have shown that traces of DNA in the sea can be used to monitor shark populations.

Source : Scientists track sharks picking DNA fragments from the sea

Vegetarian sharks, non-lethal research, and friggin’ laser beams: Dear Shark Man, Volume 4

Welcome to Volume #4 of Dear Shark Man, an advice column inspired by a ridiculous e-mail I received. You can send your questions to me via twitter (@WhySharksMatter) or e-mail (WhySharksMatter at g…

Source : Vegetarian sharks, non-lethal research, and friggin’ laser beams: Dear Shark Man, Volume 4

Ever Seen a Shark Walk? Tiny Animals Amaze on PBS – Live Science

A new PBS documentary highlights the amazing abilities of very small organisms.

Source : Ever Seen a Shark Walk? Tiny Animals Amaze on PBS

Yes, the frilled shark is really freaky. But there are other ‘living fossils’ that are just as weird. – popular science

A short tour of the strange sharks chilling at the bottom of the ocean.

Source : Yes, the frilled shark is really freaky. But there are other ‘living fossils’ that are just as weird.

Many Sharks Live a Century—Longer Than Thought – National Geographic

Radioactivity from nuclear bombs has helped reveal lengthy lifespans, a new analysis says.

Source : Many Sharks Live a Century—Longer Than Thought

Dinosaur-Age Shark with 300 ‘Frilled’ Teeth Caught in Deep Sea

Forget about the minuscule odds of seeing Ahab’s white whale: Sightings of the frilled shark, a so-called « living fossil » that has elusively swum around Earth’s deep waters since the age of the dinosaurs, may been an even rarer find.

Source : Dinosaur-Age Shark with 300 ‘Frilled’ Teeth Caught in Deep Sea

Pregnant sharks and rays likely to abort their young if captured – The Guardian

https://www.theguardian.com/environment/2017/nov/02/pregnant-sharks-and-rays-likely-to-abort-their-young-if-caught

Size doesn’t matter—at least for hammerheads and swimming performance – Phys Org

Source : Size doesn’t matter—at least for hammerheads and swimming performance